Upcoming Drinking Water Regulations
Regulations in Process or Planned
- Hexavalent Chromium Maximum Contaminant Level
- Occurrence Data
- White Paper Discussion on Economic Feasibility Analysis in Consideration of a Hexavalent Chromium Maximum Contaminant Level.
- Treatment Costs
- More information about hexavalent chromium
- Perchlorate Detection Limit for Purposes of Reporting (DLR)
- Revised Total Coliform Rule:
- Cross Connection Control Regulations: Work on updating these regulations via a Policy Handbook is underway pursuant to Assembly Bill 1671 - http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB1671. The State Water Board is seeking formal comment on the Draft Policy Handbook from the public, stakeholders and interested parties. Pursuant to AB 1671, two Public Hearings are required on the Draft Policy Handbook prior to consideration for adoption by the Board. Visit the State Water Board’s Cross-Connection Control Policy Handbook for more information.
- Draft Cross Connection Policy Handbook
- April 27, 2021 Public Hearing Notice
- February 20, 2020 Stakeholder Workshop:
The current cross connection control regulations are found in Title 17 California Code of Regulations, in Division 1, Chapter 5, Subchapter 1, Group 4, and are available at https://govt.westlaw.com/calregs/Index?transitionType=Default&contextData=%28sc.Default%29
- Microplastics: Senate Bill No. 1422 (filed on September 28, 2018) requires the State Water Board to adopt a definition of microplastics in drinking water on or before July 1, 2020, and on or before July 1, 2021, to adopt a standard testing methodology for microplastics and requirements for four years of testing and reporting, including public disclosure of results.
- Lead and Copper Rule: Draft regulation packages are being prepared for the State and Federal Lead and Copper Rules.
Other Active Regulation Development Projects
- MCL Review: To meet requirements of the Health and Safety Code Section 116365(g), each year the State Water Board identifies the MCLs it intends to review.
- Direct Potable Reuse: The report to the Legislature regarding the feasibility of developing Direct Potable Reuse (DPR) criteria was submitted in December 2016. Work continues on DPR.
Other Regulations of Interest
- Recycled Water Regulations: DDW's activities related to recycled water.
- Drinking Water Program Fees
- ELAP Regulations: Public drinking water systems must utilize accredited laboratories for water analyses. Follow this link for more information about regulations for the Environmental Laboratory Accreditation Program.